Merge pull request #2769 from MikeMcQuaid/rubocop-no-perl-backrefs1.2.3

rubocop: don’t allow Perl regex backrefs.

3 files changed, 3 insertions, 3 deletions

diff --git a/Library/Homebrew/cmd/info.rb b/Library/Homebrew/cmd/info.rb
index 826f31bbd..98200a0b4 100644
--- a/Library/Homebrew/cmd/info.rb
+++ b/Library/Homebrew/cmd/info.rb
@@ -79,7 +79,7 @@ module Homebrew
 
   def github_remote_path(remote, path)
     if remote =~ %r{^(?:https?://|git(?:@|://))github\.com[:/](.+)/(.+?)(?:\.git)?$}
-      "https://github.com/#{$1}/#{$2}/blob/master/#{path}"
+      "https://github.com/#{Regexp.last_match(1)}/#{Regexp.last_match(2)}/blob/master/#{path}"
     else
       "#{remote}/#{path}"
     end
diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index 423b47884..e413bac6f 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -80,7 +80,7 @@ module Homebrew
         if name !~ HOMEBREW_TAP_FORMULA_REGEX && name !~ HOMEBREW_CASK_TAP_CASK_REGEX
           next
         end
-        tap = Tap.fetch($1, $2)
+        tap = Tap.fetch(Regexp.last_match(1), Regexp.last_match(2))
         tap.install unless tap.installed?
       end
     end
diff --git a/Library/Homebrew/cmd/search.rb b/Library/Homebrew/cmd/search.rb
index 2b35dfc36..b2d069744 100644
--- a/Library/Homebrew/cmd/search.rb
+++ b/Library/Homebrew/cmd/search.rb
@@ -93,7 +93,7 @@ module Homebrew
 
   def query_regexp(query)
     case query
-    when %r{^/(.*)/$} then Regexp.new($1)
+    when %r{^/(.*)/$} then Regexp.new(Regexp.last_match(1))
     else /.*#{Regexp.escape(query)}.*/i
     end
   rescue RegexpError